抄録
1. The oxidizing power of roots of various plants was studied under paddy field conditions. 2. In general, the highest oxdizing power was observed in Gramineae and Compositae; Somewhat lower in Leguminaceae; and lowest in Grusiferae, Cucurbitaceae, Solanaceae, and vegetable crops. 3. The roots which stained distinctly in α-naphtylamine solution, had the highest oxidizing power in paddy field conditions.
